package com.lyf.boot.config;

import cn.hutool.core.util.ArrayUtil;
import cn.hutool.extra.spring.SpringUtil;
import com.lyf.boot.exception.ServiceException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.boot.autoconfigure.thread.Threading;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.core.task.VirtualThreadTaskExecutor;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;

import java.util.Arrays;
import java.util.concurrent.Executor;

/**
 * 异步配置
 *
 * @author Lion Li
 */
@EnableAsync
@Configuration
@Slf4j
public class AsyncConfig implements AsyncConfigurer {

    /**
     * 自定义 @Async 注解使用系统线程池
     */
    @Override
    public Executor getAsyncExecutor() {
        boolean isVirtual = Threading.VIRTUAL.isActive(SpringUtil.getBean(Environment.class));
        if(isVirtual) {
            return new VirtualThreadTaskExecutor("async-");
        }
        return SpringUtil.getBean("scheduledExecutorService");
    }

    /**
     * 异步执行异常处理
     */
    @Override
    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
        return (throwable, method, objects) -> {
            //throwable.printStackTrace();
            StringBuilder sb = new StringBuilder();
            sb.append("Exception message - ").append(throwable.getMessage())
                    .append(", Method name - ").append(method.getName());
            if (ArrayUtil.isNotEmpty(objects)) {
                sb.append(", Parameter value - ").append(Arrays.toString(objects));
            }
            throw new ServiceException(sb.toString());
        };
    }

}
